iminium ion rosanilin(1+) 302.166 302.394 4-[(4-amino-3-methylphenyl)(4-aminophenyl)methylidene]cyclohexa-2,5-dien-1-iminium An iminium ion obtained by protonation of the imino group of rosanilin free base. C20H20N3 C=1C(=CC=C(C1)N)C(=C2C=CC(=[NH2+])C=C2)C=3C=C(C(=CC3)N)C CHEBI:87667 InChI=1S/C20H19N3/c1-13-12-16(6-11-19(13)23)20(14-2-7-17(21)8-3-14)15-4-9-18(22)10-5-15/h2-12,21H,22-23H2,1H3/p+1/b20-14-,21-17? WVYMEHMNEMRCEL-SFVWPUANSA-O chebi_ontology rosanilin cation